CN210600146U

CN210600146U - Gearbox electron parking mechanism

Info

Publication number: CN210600146U
Application number: CN201921376195.4U
Authority: CN
Inventors: 李丹; 任广福; 周亚超; 骆忠贤; 黄婷
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-22
Anticipated expiration: 2029-08-22

Abstract

The utility model provides a gearbox electron parking mechanism belongs to gearbox art field. It has solved current pencil and has occupied casing space and lead to gearbox electron parking mechanism's bulky technical problem such as. This gearbox electron parking mechanism, including the casing, have the socket of being connected with external equipment on the casing, be equipped with circuit board and motor in the casing, still be equipped with stitch one and stitch two in the casing, stitch one and stitch two and the integrative injection moulding of casing, be connected through stitch one between motor and the circuit board, the one end of stitch two links to each other with the circuit board, and the other end leads to the socket. The utility model discloses gearbox electron parking mechanism's structure volume has been reduced.

Description

Gearbox electron parking mechanism

Technical Field

The utility model belongs to gearbox art field, concretely relates to gearbox electron parking mechanism.

Background

With the higher requirements of energy conservation, emission reduction and environmental protection in China, the challenges of the automobile industry in the aspects of energy, environment and traffic are becoming more and more severe, and the automobile industry gradually develops to energy diversification, power electromotion and control intellectualization. In recent years, with the rapid development of automotive electronics, how to reduce the size of an electronic parking mechanism of a transmission is a technical problem to be solved.

The existing electronic parking mechanism of the gearbox adopts a wire harness connection mode to connect a motor and a circuit board or other parts needing to be electrically connected. For example, in a patent application document (publication number: CN 206723431U; published day: 2017.12.08) in China, a vehicle, an automatic transmission, a connecting assembly thereof, and an electronic control system are disclosed, in which a wire harness is used to electrically connect a controller, a motor, and an electromagnetic valve, the connection between the wire harness and an electrical component needs to be welded, and the wire harness needs to be fixed in a housing to make room for the wire harness.

The transmission parking mechanism needs to dissipate heat and prevent liquid from permeating during use. It is common to provide a vent plug structure on the housing. For example, an internal ventilation system of a parking brake chamber is disclosed in our national patent application publication (publication number: CN 103946089 a; publication date: 2014.07.23), and an automobile transmission ventilation mechanism and a transmission case thereof are disclosed in our national patent application publication (publication number: CN 202402603U; publication date: 2012.08.29), in which a mechanical ventilation assembly is provided on the case, and the outer shape and volume of the case are increased due to the provision of the mechanical ventilation assembly.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a gearbox electron parking mechanism, the utility model aims to solve the technical problem that: how to reduce the structural volume of the electronic parking mechanism of the gearbox.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a gearbox electron parking mechanism, includes the casing, have the socket of being connected with external equipment on the casing, be equipped with circuit board and motor in the casing, its characterized in that still is equipped with stitch one and stitch two in the casing, stitch one and stitch two and the integrative injection moulding of casing, be connected through stitch one between motor and the circuit board, the one end of stitch two links to each other with the circuit board, and the other end leads to the socket.

Put the position of stitch one and stitch two before moulding plastics the casing and go on again moulding plastics of casing, make the both ends of stitch one and stitch two be located the outside that the casing was moulded plastics the material, will be connected between motor and the circuit board through stitch one again, connect external equipment and circuit board through stitch two, because stitch one and stitch two and the integrative injection moulding of casing, can effectually reduce gearbox electron parking mechanism's bulk size.

In the gearbox electronic parking mechanism, one end of the second pin, which is connected with the circuit board, is provided with the compliant pin structure, the circuit board is provided with the first jack, and the compliant pin structure on the second pin is inserted into the first jack. The welding connection between the second pins and the circuit board can be avoided through the matching of the compliant pin structures and the first jacks, and the compliant pins on the second pins are only required to be inserted into the first jacks, so that the circuit board is very convenient to mount and dismount, the space required during assembly is reduced, and the size of the electronic parking mechanism of the gearbox can be effectively reduced.

In the gearbox electronic parking mechanism, one end of the first pin connected with the circuit board is provided with compliant pin structures arranged side by side, the circuit board is provided with a second jack, and the compliant pin structures on the first pin are inserted into the second jack. The structure strength of the pins can be effectively increased by arranging two compliant pin structures at one end of the second pin connected with the circuit board, the welded connection between the first pin and the circuit board can be avoided by the cooperation of the compliant pin structures and the second jack, and only the compliant pins on the second pin are required to be inserted into the second jack, so that the circuit board is very convenient to mount and dismount, the space required during assembly is reduced, and the size of the electronic parking mechanism of the gearbox can be effectively reduced.

In the gearbox electronic parking mechanism, the motor is provided with the connecting arm, the first pin is provided with the first clamping arm and the second clamping arm, and the first clamping arm and the second clamping arm are located on two sides of the connecting arm and connected with the connecting arm in an abutting mode. The clamping arm and the second clamping arm are connected with the connecting arm to enable the motor to be communicated with the circuit board, so that the assembly time and the assembly space are effectively saved, and the size of the electronic parking mechanism of the gearbox is reduced.

In the gearbox electronic parking mechanism, the first clamping arm and the second clamping arm are respectively provided with a clamping bulge, the clamping bulges are abutted against the connecting arm, and the surfaces of the clamping bulges abutted against the connecting arm are wavy in height. Wavy add that to hold the arch can effectively carry out the centre gripping to the linking arm, strengthen the intensity of centre gripping arm, give assembly personnel feedback when the assembly simultaneously.

In the gearbox electronic parking mechanism, the shell comprises an upper shell and a lower shell, the upper shell is provided with the vent hole, and the upper shell is further provided with the waterproof breathable film covering the vent hole. Only set up the air vent on the casing, set up waterproof ventilated membrane on the air vent and just can play waterproof and ventilative to the casing inside, the effectual volume size that has reduced gearbox electron parking mechanism.

Compared with the prior art, the utility model has the advantages of it is following:

1. the pins are adopted to replace the wiring harness for the motor and the circuit board; the circuit board is connected with the socket, and a fixing part for a wire harness is not required to be arranged in the shell, so that the size of the electronic parking mechanism of the gearbox is reduced.

2. The pins and the upper shell are molded together, so that a space for accommodating a wire harness is prevented from being reserved in the shell, and the size of the electronic parking mechanism of the gearbox is reduced.

3. Only the end portions of the pins, which need to be connected with other components, are exposed outside the housing, the structural strength thereof is increased, and the occupied installation space is reduced.

4. In the past, the connection of circuit board and motor needs to be under the state of casing separation under last casing and, link to each other circuit board and motor through the pencil, and closing last casing lid on casing down, the position of pencil can not be fixed, can occupation space simultaneously, the utility model discloses a motor is connected with the circuit board and is gone on through the stitch, accomplishes being connected between circuit board and the motor when last casing closes with casing lid down, has practiced thrift the process and has placed the space that holds the pencil.

5. In the past, waterproof when ventilating radiating to gearbox electron parking mechanism, set up mechanical ventilation subassembly structure usually on the casing, the utility model discloses an only set up the air vent on the casing, cover waterproof ventilated membrane alright reach the requirement on the air vent, avoided gearbox electron parking mechanism because need waterproof, ventilative, heat dissipation, increase the volume size.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the positions of the pin one and the pin two in the upper shell and between the motor, the circuit board and the socket.

Fig. 3 is a first cross-sectional view of the present invention.

FIG. 4 is a schematic view of the connection between the first pin and the connecting arm.

FIG. 5 is a schematic view of a three-dimensional structure of the present circuit board with two pins and one pin inserted.

Fig. 6 is a diagram of a pin-out configuration.

Fig. 7 is a second cross-sectional view of the present invention.

In the figure, 1, an upper shell; 2. a lower housing; 3. a socket; 4. a circuit board; 5. a motor; 6. a first pin; 7. a second pin; 8. a compliant pin structure; 9. a first jack; 10. a second jack; 11. a connecting arm; 12. a first clamping arm; 13. a second clamping arm; 14. a clamping protrusion; 15. a waterproof breathable film; 16. a vent hole; 17. a housing.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 2 and 3, the utility model discloses a casing includes casing 1 and casing 2 down, go up casing 1 and casing 2 down and pass through the fastener and be connected, last casing 1 has set up the sealing strip with casing 2 connection edge down, upward be equipped with on casing 1 with its integrative injection moulding's stitch 6 and stitch two 7, stitch 6 all is wrapped up by the material of moulding plastics of casing 1 except the both ends that need be connected with other parts with stitch two 7, because stitch 6 and stitch two 7 and the integrative injection moulding of casing 1, can effectually reduce gearbox electron parking mechanism's volume size.

As shown in fig. 1, 2, 4 and 6, the upper housing 1 has a socket 3, one end of the second pin 7 is located on the socket 3, a circuit board 4 is fixed on the inner top wall of the upper housing 1 through a fastener, and a mounting hole for the fastener to pass through is formed in the circuit board 4. The circuit board 4 is provided with a first jack 9 which is connected with the other end of the second pin 7 in an inserting mode, one end, connected on the circuit board 4, of the second pin 7 is provided with a compliant pin structure 8, the compliant pin structure 8 is automatically connected with the circuit board 4 when being connected with the first jack 9 in an inserting mode, extra welding operation is not needed, assembling time is saved, and assembling efficiency is improved.

As shown in fig. 2, 3, 4, 5 and 6, a motor 5 is arranged on a lower shell 2, the motor 5 is connected with a circuit board 4 through a first pin 6, two compliant pin structures 8 are arranged at one end of the first pin 6 connected with the circuit board 4, the two compliant pin structures 8 are arranged along the width direction of the first pin 6, a second jack 10 connected with the first pin 6 and the compliant pin structures 8 in an inserting mode is arranged on the circuit board 4, the compliant pin structures 8 are automatically connected with the circuit board 4 when being connected with a first jack 9 without extra welding operation, the other end of the first pin 6 is connected with the motor 5, a connecting arm 11 connected with the first pin 6 is arranged on the motor 5, a first clamping arm 12 and a second clamping arm 13 which are located on two sides of the connecting arm 11 are arranged on the first pin 6, and the first clamping arm 12 and the second clamping arm 13 can be attached to two sides.

As shown in fig. 6, the first clamping arm 12 and the second clamping arm 13 are both provided with clamping protrusions 14, the surfaces of the clamping protrusions 14, which are abutted against the connecting arm 11, are wavy in a high-low shape, the wavy shapes of the first clamping arm 12 and the second clamping arm 13 are staggered with each other to form a curved plugging channel, and the wavy shape of the protrusions on the first clamping arm 12 corresponds to the wavy shape of the depressions on the second clamping arm 13; the wave shape of the concave part on the first clamping arm 12 corresponds to the wave shape of the convex part on the second clamping arm 13. The end parts of the first clamping arm 12 and the second clamping arm 13 are provided with funnel-shaped openings, and the small end of each funnel-shaped opening is communicated with the inserting channel. When the parts to be assembled on the upper shell 1 and the lower shell 2 are assembled, the upper shell 1 is directly covered and buckled on the lower shell 2, and the funnel-shaped opening can provide a guiding function for the connecting arm 11, so that the connecting arm 11 can conveniently enter the plugging channel.

As shown in fig. 1 and 7, the upper case 1 is further provided with a vent hole 16, the vent hole 16 is formed in a stepped hole shape having a large upper portion and a small lower portion, and a waterproof breathable film 15 capable of shielding the vent hole is covered on a stepped surface of the stepped hole. The waterproof breathable film 15 is made of EPTFE material and is welded on the surface of the upper shell through hot melting.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms upper housing, lower housing, socket, circuit board, motor, pin one, pin two, compliant pin structure, socket one, socket two, connection arm, clamping arm one, clamping arm two, clamping protrusion, vent, waterproof and breathable membrane are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a gearbox electron parking mechanism, includes casing (17), socket (3) of being connected with external equipment have on casing (17), are equipped with circuit board (4) and motor (5) in casing (17), its characterized in that still is equipped with stitch (6) and stitch two (7) in casing (17), stitch one (6) and stitch two (7) and casing (17) integrative injection moulding, be connected through stitch one (6) between motor (5) and circuit board (4), the one end of stitch two (7) links to each other with circuit board (4), and the other end leads to socket (3).

2. The gearbox electronic parking mechanism according to claim 1, characterized in that one end of the pin two (7) connected with the circuit board (4) is provided with a compliant pin structure (8), the circuit board (4) is provided with a jack one (9), and the compliant pin structure (8) on the pin two (7) is inserted into the jack one (9).

3. The gearbox electronic parking mechanism according to claim 1 or 2, characterized in that one end of the pin I (6) connected with the circuit board (4) is provided with compliant pin structures (8) arranged side by side, the circuit board (4) is provided with a jack II (10), and the compliant pin structures (8) on the pin I (6) are inserted into the jack II (10).

4. The gearbox electronic parking mechanism according to claim 3, characterized in that the motor (5) is provided with a connecting arm (11), the pin I (6) is provided with a clamping arm I (12) and a clamping arm II (13), and the clamping arm I (12) and the clamping arm II (13) are located on two sides of the connecting arm (11) and are connected with the connecting arm in an abutting mode.

5. The gearbox electronic parking mechanism according to claim 4, characterized in that the first clamping arm (12) and the second clamping arm (13) are respectively provided with a clamping protrusion (14), the clamping protrusion (14) abuts against the connecting arm (11), and the surface of the clamping protrusion (14) abutting against the connecting arm (11) is wavy in an undulated manner.

6. The gearbox electronic parking mechanism according to claim 1, 2 or 5, characterized in that the housing (17) comprises an upper housing (1) and a lower housing (2), a vent hole (16) is formed in the upper housing (1), and a waterproof breathable film (15) covering the vent hole (16) is further arranged on the upper housing (1).